Style Dictionary

Historical multi-platform pivot for design tokens. Transforms a DTCG JSON file into CSS variables, Sass, iOS Swift, Android XML, Flutter Dart via Jinja2 templates. 4.7k stars, Apache 2.0 OSS (originally Amazon-fork). v5.4.0 (March 2025) supports v2025.10 partially, v6.0.0 targeted for full DTCG (color module, dimension, duration, resolvers).

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